Thread by @flufferbot01

A piece of work by u/Lacrewpandora titled “Solar Roof - Always Ramping and Always Ahead of Schedule.”

2016Q4 Letter: We also revealed our solar roof, which we plan to begin selling and installing later this year.

2017Q1 Letter: We plan to start pilot manufacturing of Solar Roof tiles in Q2 at our Fremont facility. Shortly thereafter, production will transition to Gigafactory 2 in Buffalo, New York.

2017Q2 Letter: Having...installed the first Solar Roofs, our teams are now focused on ramping the production rate of these products to support our mission of accelerating the world’s transition to sustainable energy.

2017Q3 Letter: We expect to ramp Solar Roof production considerably in 2018.

2017Q4 Letter: Initial production of Solar Roof at the Gigafactory 2 in Buffalo started in Q4, and we are ahead of schedule with the hiring targets

2018Q1 Letter: Production of Solar Roofs should accelerate significantly in the second half of this year.

2018Q2 Letter: We plan to ramp production more toward the end of 2018.

2018Q3 Letter: Accordingly, we expect to ramp production more quickly during the first half of 2019.

2018Q4 Letter: We plan to ramp up the production of Solar Roof with significantly improved manufacturing capabilities during 2019.

And now.

https://twitter.com/elonmusk/status/1156005185656782848?s=21

Missed some!

2019Q1 10-Q: We ... are ramping our Solar Roof product that combines solar energy generation with attractive, integrated styling.

2019Q2 10-Q: Overall, we expect our significant operations at Gigafactory 2 and the surrounding Buffalo area to continue, including with our ramp and manufacture of Solar Roof, which we are planning to scale over the remainder of 2019 and into 2020